1. Commoner, B., Schieber, D. L., and Dietz, P. M., J. Gen. Physiol., 36, 807 (1953). Bawden, F. C., “Ann. Rev. Plant Physiol.”, 10, 239 (1959).
2. Commoner, B., and Basler, E., jun., Virology, 2, 477 (1956).
3. Northrop, T. G., and Sinsheimer, R. L., J. Chem. Phys., 22, 703 (1954), as modified by Lippincott, J. A., thesis, Washington Univ., St. Louis (1958).
4. Markham, R., in “Modern Methods of Plant Analysis”, ed. Paech, K., and Tracy, M. V., 4, 246 (1955).
5. Commoner, B., Mercer, F. L., Merrill, P., and Zimmer, A. J., Arch. Biochem. Biophys., 27, 271 (1950).